Transformers: Age of Extinction (2014) featured a mix of returning and new voice actors, bringing the Autobots and Decepticons to life with distinctive performances. Peter Cullen reprised his iconic role as Optimus Prime, continuing his legendary portrayal of the noble Autobot leader since the original 1980s animated series. Frank Welker, another Transformers veteran, returned to voice Galvatron, an upgraded version of Megatron. Welker had voiced Megatron in the original animated series, making